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Finding the Fourth Proportional to 171,898.66, 237,235.16 and 100,301.74

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Solution

The fourth proportional to 171,898.66, 237,235.16 and 100,301.74 is: 138,425.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,898.66 : 237,235.16 = 100,301.74 : x
  2. Step 2: Convert to fraction form
    171,898.66/237,235.16 = 100,301.74/x
  3. Step 3: Cross multiply
    171,898.66x = 237,235.16 × 100,301.74
  4. Step 4: Simplify right side
    171,898.66x = 23,795,099,337.18
  5. Step 5: Solve for x
    x = 23,795,099,337.18/171,898.66
  6. Step 6: Final answer
    x = 138,425.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.